Ceratophyllum demersum
Origin: Cosmopolitan
Ceratophyllum demersum, Hornwort, is one of the fastest-growing aquarium plants and is excellent for cycling new tanks, absorbing excess nutrients and providing cover for fry. Can be left floating or planted. Extremely hardy and cold-tolerant.
Low to high light. No CO2 or substrate required. Temperature 10–30°C. Can be left floating. Sheds needles if conditions are poor — use as a tank health indicator. Excellent for goldfish and koi tanks.
Shops currently listing this plant with stock available
Join aquarium shops already using FinsHQ. Get a beautiful webshop, mobile app, and inventory management — built for aquatic retailers.
Start your free store